* {margin: 0;padding: 0;}
ul {list-style: none;}
a {text-decoration: none;}
#nav {
    height: 50px;
    background-color: rgba(230, 230, 230, 0.5);
    box-shadow: 1px 2px 5px rgba(100, 100, 100, 0.5);
    position: absolute;
    top: 40px;
    right: 100px;
    z-index: 10;
}
#menu {float: left;}
#menu>ul>li {
    float: left;
    font-size: 16px;
    line-height: 50px;
    text-align: center;
    position: relative;
    padding-left: 15px;
    padding-right: 15px;
}
#menu>ul>li>ul>li:last-child{
    display: block;
}
#menu>ul>li a:hover{
    /* font-size: 20px; */
    color: #cec;
    text-decoration: none;
}
#menu .clk{
    color: #cec;
}
#menu .unclk{
    color: #000;
}
#menu>ul>li>span i {
    width: 0px;
    height: 0;
    font-size: 0;
    display: inline-block;
    border: 4px solid transparent;
    border-top-color: #000;
    border-bottom: 0 none;
    vertical-align: middle;
}
#menu>ul>li:hover span i {
    border: 4px solid transparent;
    border-bottom-color: black;
    border-top-width: 0 none;
}
#menu>ul>li ul {
    display: none;
    position: absolute;
    left: 13px;
    top: 50px;
    width: 80px;
    text-align: center;
    background-color: rgba(230, 230, 230, 0.5);
}
#menu>ul>li:hover ul {display: block;}
#serchBox {
    width: 100px;
    height: 20px;
}
#menu li:last-child{display: none;}
#map1{
    width: 575;
    height: 300px;
}